1789939472 has 10 divisors (see below), whose sum is σ = 3468007758. Its totient is φ = 894969728.

The previous prime is 1789939471. The next prime is 1789939499. The reversal of 1789939472 is 2749399871.

It can be written as a sum of positive squares in only one way, i.e., 1547950336 + 241989136 = 39344^2 + 15556^2 .

It is not an unprimeable number, because it can be changed into a prime (1789939471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55935593 + ... + 55935624.

Almost surely, 2^1789939472 is an apocalyptic number.

It is an amenable number.

1789939472 is a deficient number, since it is larger than the sum of its proper divisors (1678068286).

1789939472 is a wasteful number, since it uses less digits than its factorization.

1789939472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111871225 (or 111871219 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 59.

The square root of 1789939472 is about 42307.6762774795. The cubic root of 1789939472 is about 1214.1698613451.

The spelling of 1789939472 in words is "one billion, seven hundred eighty-nine million, nine hundred thirty-nine thousand, four hundred seventy-two".